NASA’s go-as-you-can-pay approach to exploration-system development means the heavy-lift Space Launch System in development to carry Orion beyond low Earth orbit and eventually on to Mars is very much a work in progress, starting with the engines.

Ahead of merger, ATK assessed “political risks” of Orbital's new engine choice.

The inevitable has happened in the U.S. attempt to move the economy off the planet. That it happened twice in a week is driving a needed element of reality into the endeavor.

As the probe's last science data was relayed to Earth Nov. 15, its power rapidly depleted.

One is powered, the other is a glider, otherwise French and U.S. concepts for affordably air-launching small satellites look pretty similar.

The future of A&D is looking good judging by the accomplishments and drive of the young innovators—the lifeblood of the next generation—in this Aviation Week-Raytheon feature.

B.S. candidate in Aerospace Engineering, Massachusetts Institute of Technology, Class of 2016

B.S. in Mechanical Engineering, Class of 2009; M.S. in Mechanical Engineering, Class of 2015, both from Massachusetts Institute of Technology